WHY R USE IN BRUSH IN THE MOTOR?

Answer Posted / karthick

in order to inject emf for slow down to rated speed

Is This Answer Correct ?    1 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what mean by analog ,digital,numerical meters and relays? say the example?

1767


how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

1583


How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

2346


HOW TO TEST A LIGHTENING ARREST ER ?

1717


power transmission pole used one support , that only for support or earthing

1433






The electromagnetic torque developed is proportional to what in a D.C series motor?

730


why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

2007


In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

362


Either the Armoured Earthing strip of HT 3 core cable have to pass through CB CT or not , why ???

1556


As you achieve greater success with the company after some years, Will you like to be a share holder in our company?

2394


what is doid

2312


What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.

3028


what is the major difference between LIBBP & HIBBP.. which one is most preferable..

2030


what is efficient motors and how it is different from normal induction motors

1433


what material is the electrical housing wire made of? is there any difference for the telephone lines?

1479